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Nortel Networks Limited Statement of IPR relating to RFC 4474

The text of the original IPR disclosure is available in the disclosure history.

Only those sections of the relevant entry form where the submitter provided information are displayed.

Update this IPR disclosure. Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

Submitted Date: July 6, 2010

'I'. Patent Holder/Applicant ("Patent Holder")
Legal Name: Nortel Networks Limited
'II'. Patent Holder's Contact for License Application
Name:Mark Hearn
Email:hearnm@nortel.com
Other Info:
(address,phone,etc)

IP Licensing

'III'. IETF Document or Other Contribution to Which this IPR Disclosure Relates:
RFC: "Enhancements for Authenticated Identity Management in the Session Initiation Protocol (SIP)"
(RFC4474)
'IV'. Disclosure of Patent Information (i.e., patents or patent applications required to be disclosed by Section 6 of RFC 3979)
A. For granted patents or published pending patent applications, please provide the following information:
Patent, Serial, Publication, Registration, or Application/File number(s):

US no.7,277,533

B. Does this disclosure relate to an unpublished pending patent application?: no
'V'. Licensing Declaration
The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):
Licensing information, comments, notes, or URL for further information:
No information submitted
Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.
'VI'. Contact Information of Submitter of this Form
Name:Michelle Lee
Email:mleelaw@nortel.com